Resources Contact Us Home
Browse by Category: Main > Industrial
Class Information
Number: 122/145
Name: Liquid heaters and vaporizers > Flue > Horizontal > Internal water tube > Transverse
Description: Devices having water tubes extending across the flues and communicating with the boiler at both ends.

Sub-classes under this class:

Class Number Class Name Patents
122/146 Drop water firebox 0
122/147 Return fire tube 0

Patents under this class:

Patent Number Title Of Patent Date Issued
4316436 Heat exchanger Feb. 23, 1982
4062324 Firetube economizer Dec. 13, 1977
4044726 Circulating water heater Aug. 30, 1977

  Recently Added Patents
Methods and systems for representing missed approach information in perspective view on a cockpit display
Non-disruptive configuration of a virtualization controller in a data storage system
Presenting a link to a user
Treatment of influenza
Packet bundling at the PDCP layer
Web-based system and method for video analysis
Printed circuit board including electromagnetic bandgap structure
  Randomly Featured Patents
Comparative genomic hybridization
Method of honing a knife blade
Manufacturing method for semiconductor structures
Reduced alien crosstalk electrical cable with filler element
Telephone set for table-top and wall operation
Steam iron with capillary device
CMOS image sensor with current mirror
Rotary atomizing head type coating device
Knife sharpener
Removing phenols from waste water